HOTFIX: change value to be double
HOTFIX: change value to be double

bruceauyeung/heapster,adfin/statster,bluebreezecf/heapster,jackzampolin/heapster,burmanm/heapster,krzyzacy/heapster,luxas/heapster,piosz/heapster,johanneswuerbach/heapster,AlmogBaku/heapster,AlmogBaku/heapster,krzyzacy/heapster,burmanm/heapster,whuwxl/heapster,Stackdriver/heapster,Stackdriver/heapster,luxas/heapster,huangyuqi/heapster,bruceauyeung/heapster,jackzampolin/heapster,johanneswuerbach/heapster,whuwxl/heapster,andyxning/heapster,adfin/statster,piosz/heapster,bluebreezecf/heapster,andyxning/heapster,huangyuqi/heapster